A. Population
B. Sample
C. Data
D. Observations
Basic Statistics Mcqs
The word statistics is defined as_____________?
A. Singular Sense
B. Plural Sense
C. Singular as well as plural sense
D. Non of these
Village Patwari collecting the data about cotton crops is the example of_____________?
A. variable
B. Constant
C. Primary data
D. Secondary data
In a distribution of 10, 20, 30, 40, 50, the x is 30, the sum of deviations from x will be:________?
A: 60
B: 30
C: Zero
D: 15
A Constant can assume _______ value?
A. One
B. Four
C. More than value
D. Resindent
The Coefficient of Skewness is always zero for ____________ distribution?
A. Symmetrical
B. Skewed
C. All of above
D. None of these
For a certain distribution if ∑(x−2)=18,∑(x−24)=0,∑(x−28)=−24) then arithmetic mean is_______________?
A. 21
B. 24
C. 28
D. 0
Census reports used as a source of data is____________?
A. Primary source
B. secondary source
C. Organized data
D. none
Data published by Bureau of statistics in its publications are _______________?
A. Secondary data
B. Discrete data
C. Continuous data
D. None
If X and Y are independent then SD (X − Y) is________________?
A. SD(X)−SD(Y)
B. SD(X)+SD(Y)
C. SD(X)+SD(Y)−−−−−−−−−−−−−−√
D. Var(X)+Var(Y)−−−−−−−−−−−−−−−√
18) If Y=−8X − 5 and SD of X is 3, then SD of Y is
